Subaqueous rock-breaker.



A. W. HASSELL.

SUBAQUEOUS ROCK BREAKER.

APPLICATION FILED JULY 26,1910.

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COLUMBIA PLANDGRAPH cm, WASHINGTON, n. c.

Patented Feb.20, 1912.

A; W. HASSELL.

SUBAQUEOUS ROCK BREAKER.

APPLICATION FILED JULY 26,1910.

1,018,050. Patented Feb. 20, 1912.

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40 63 WWMZZQM; 00m n3 umwssw? UNITED STATES PATENT OFFICE.

ALEXANDER W. HASSELL, OF JERSEY CITY, NEW JERSEY, ASS-IGNOR, BY MESNEASSIGNMENTS, OF ONE-HALF TO HASL-COE CONSTRUCTION COMPANY, A CORPORA-TION OF NEW YORK.

SUIBAQUEOUS ROCK-BREAKER.

Specification of Letters Patent.

Patented Feb. 20, 1912.

To all whom it may concern:

Be it known that I, ALEXANDER W. HAS- SELL, a citizen of the UnitedStates, and a resident of Jersey City, county of Hudson, and State ofNew Jersey, have invented certain new and useful Improvements inSubaqueous Rock-Breakers, of which the following is a full, clear, andexact specification.

This invention relates to a class of ma chines adapted more particularlyfor use in submarine work to clear the bottom or bed pf bodies of waterof masses of rock or the My invention has for its primary object toprovide a power driven stone crushing machine adapted to be applied to aboat, or float, or the like and which may be efliciently used moreespecially in submarine work for crushing large-bodies of stone, or thelike, and to provide a form of machine wherein a plurality of thecrushers may be used simultaneously in order to facilitate the work ofclearing the rocky bed of a body of water.

Another object of the invention is to provide a form of drill which maybe made of a given weight and after being elevated to the requiredheight is released and crushes the rock it contacts with by force of theblow.

Still another object of the invention is to provide means adapted toeffectually lift A further object of the invention is to provideeffective means to adjust the raising means whereby the drill will bereleased at a predetermined height so as to regulate the force of theblow of said drill upon the rock.

Furthermore, my invention consists of certain other novel features andparts as hereinafter described and more particularly pointed out in theclaims at thesend of the description, and illustrated 'in theaccompanying drawings forming a part of this specification, in which:

Figure 1 is a top plan view of a stone crushing machineconstructed-according to my invention. Fig. 2 is a side view thereof.Fig. 3 is an end view of the device illustrating the train of gears fortransmitting the power to operate the drill. Fig.4 is an enlarged view,partly in section and partly fragmentary, of the parts used inconjunction with the drill, and Fig. 5 is a section taken on the lineIIII of Fig. 4.

Upon any suitable support, such as a boat, or lighter, or float, may bearranged the cross-plates 10 of any suitable number and made of anypreferred material. To the cross-plates 10 are fastened by bolts 11 orotherwise the bed or base plates 12 and 13 of the frame 14 of my stonecrushing machine. The frame 14 consists mainly of end brackets orstandards 15 and 16 and any desired number of intermediate brackets orstandards 17. The brackets or standards 17 are spaced apart from thebrackets 15 and 16, and may be formed integral with or made separate andconnected to the bed plates 12 and 13. As shown in Fig. 3, each of thestandards 15, 16 and 17 has the upper part thereof formed insubstantially a V- shape thereby providing two oppositely disposedheads, as 18 and 19, in each of which is formed a bearing, as 20 and 21.In the bearings 20 is journaled a shaft 23 longitudinally of themachine, and in the bearings 21 is also journaled a similar longitudinalshaft 24.

One end of each of the longitudinal shafts 23 and 24 extends somewhatbeyond the end surface of the standard 15. The extended end of shaft 23carries a driving gear 25, and the extended portion of the shaft 24carries a driving gear 26, which gears form a part of a train of gears27 which are adapted to transmit the power for operating thelongitudinal shafts 23 and 24 simultaneously. A bracket 28 is arrangedupon the cross-plate 10 which supports the standard 15, and journaled ina bearing of said bracket is the driving shaft 29 which may be driven byany suitable motive power. One end of the driving shaft 29 is revolublyheld in the standard 15, and upon said shaft between the bracket 28 andstandard 15 is keyed a gear 30 meshing with a gear 31 which meshes withthe driving gear 25.

Also meshing with the gear 31 is a gear 32,

of alike circumference, and said gear meshes which are journaled in thestandard 15 in eccentric arrangement so as to impart opposite rotationof the driving gears 25 and 26, and evidently as the driving gears 25and 26 should be revolved at a slow speed the gears 31 and 32 aresmaller in dimensions than said driving gears.

Midway of the standards 15, 16 and 17 is fastened a longitudinalsupporting plate 35 having guide openings, as 36, therethrough centrallyof the space between said standards, and any number of said openings maybe provided in accordance with the number of drills it is desired to usein a machine. Through one of the openings 36 is guided the vertical baror crusher 37, and upon the lower end of said bar is formed a drill 38which has a beveled edge, as 39, or may be of any other suitable shapeso as to adapt the drill to crush rock of various degrees of hardness.The crusher bar 37 is preferably square or rectangular in form and upontwo or both of the opposed side faces of said crusher bar are providedparallelly arranged grooves 10 extending throughout its entire length. Abracket or straddle bar 41 having two legs 42 and 13 and a headplate 4:5is connected by bolts 45 or otherwise upon the upper surface of thesupporting plate 35, and in the headplate 44 is formed an openingthrough which is guided the upper part of the crusher bar 37.

To raise the crusher or vertical bar 37 to the required height I providelifting elements -16 and t7, each having a body 48 and 49 which is keyedupon the shafts 23 and 24lrespectively. Each of the lifting elements 46and 47 has a curved arm 50 and 51 projecting from the body il-8 and 4&9.The free ends of the curved arms 50 and 51 are rounded, as at 52 and 53,so as to form a compound curved edge in the form of a cam 53 and 54:upon the upper edge of each of said arms. The curved arms 50 and 51 aredisposed so that the rounded ends are positioned in opposed relationupon the same plane, and as indicated in the dotted lines, as at 55 and56, said arms will move in opposite directions when the longitudinalshafts 23 and 24. are rotated.

hen the lifting elements 16 and 17 are in normal position to raise thecrusher bar 37 the cam edges 53 and 54 of the curved arms 50 and 51 arein engagement with the levers 57 and 58 of the raising means 59. Asillustrated in Fig. 4, the raising means 59 consists of two grippingmembers or plates 60 and 61, each of which is provided with a jaw, as at62 and 63, Fig. 5, having teeth 64: and 65 adapted to engage in thegrooves 40 of the crusher bar 37. The gripping members or plates 60 and61 are loosely pivoted upon bolts, as 66 and 67, which are eccentricallyarranged so that the upper end of the teeth 64 and 65 of the jaws 62 and63 will tightly engage in the grooves 40 of the crusher bar 37 foreffectually raising said bar, and will automatically swing fromreleasing engagement with the bar 37 when relieved of the force ofpressure from the levers 57 and 58 as hereinafter described. The bolts66 and 67 pass through links or cross-plates, as 68 and. 69, and throughapertures in the opposed ends of each of said plates are directed boltsand 71.. Between the link plates 68 and 69 and upon the bolts 70 and 71are pivoted the angular parts, as 72 and 73, of the levers 57 and 58.Each of the levers 57 and 58 has a weighted body 72 and 73 one end ofwhich is provided with a straight edge 7 a and 75 to correspond with thestraight edge of the gripping mem bers or plates 60 and 61. A cam edgeis formed underneath each of the levers 57 and 58 by curving part ofeach body 72 and 7 3, and thereby forming the angular parts 72 and 73,for the purpose of eccentrically pivoting said levers. By eccentricallypivoting the levers 57 and 58 as described when the raising means 59 isoperated by the lever elements 46 and 47 to elevate the crusher bar 37the straight edges 74-. and 7 5 of the angular parts 72 and 73 willforce the gripping plates 60 and 61 into engagement with said crusherbar, and when the lever members 57 and 58 are released the weight ofeach body thereof will free the raising means 59 from the crusher bar 37and permit the same to drop automatically from a given height In orderto adjust the raising means 59 so that the crusher bar 37 will bereleased at a predetermined height to regulate the force of the blow ofthe drill 38 I provide a form of adjusting means 76. The adjusting means76 includes a sleeve 77, and interiorly thereof is formed an opening, asindicated by dotted lines 78, Fig. 4, through which passes the crusherbar 37. Exteriorly of the sleeve 77 are formed helical threads 79, andencircling said sleeve is a jacket 80, that is carried upon thesupporting plate 35. The jacket 80 is preferably circular in form and isprovided interiorly thereof with helical threads which mesh withthqhelieal threads 79 of the sleeve 77. In the jacket 80, are arranged aplurality of openings or recesses, as 81, for reception of a key orspanning wrench by which said acket may be rotated for raising orlowering the sleeve 77 and thereby adjusting the raising means 59 sothat the crusher bar 37 will be given the required plunge.

It is tobe understood that changes may be made in the form of myimproved stone crushing machine, or in the proportions and forms of theparts thereof, and I may use any suitable means for applying the same toa vessel or other place, without departing from the scope and spirit ofthe invention, therefore I do not wish to be limited to the particularform of machine herein described and shown.

Having thus described my invention, I claim as new and desire to secureby Letters Patent 1. In a device of the class described in combination,lifting means, a crusher bar, anda gripping device adapted to cooperatewith said lifting means and said crusher bar; said gripping deviceincluding means for gripping the crusher bar when the gripping device isengaged by the lifting means, and means for disengaging the grippingdevice from the crusher bar when the gripping device is disengaged fromthe lifting means; and means for limiting the downward movement of thegripping device.

2. In a device of the class described in combination, lifting means, acrusher bar, and a gripping device; said gripping device including aclamping plate in operative relationship to the crusher bar, and a leverarm in operative relationship to the lifting means, the relationship ofparts being such that the clamping plate is in operative engagement withthe crusher bar when the lifting means is in operative engagement withthe lever arm, and the clamping plate is disengaged from the crusher barwhen the lifting means is disengaged from the lever arm.

3. In a device of the class described in combination, lifting means, acrusher bar, and a gripping device; said gripping device including meansfor engaging the crusher bar, and means for automatically disengagingthe crusher bar from the gripping device when the crusher bar is raisedto a predetermined point; and means for limiting the downward movementof the gripping device.

4. In a device of the class described in combination, lifting means, acrusher bar, and a grippingdevice; said gripping device including meansfor automatically engaging the crusher bar, and means for automaticallyreleasing the'crusher bar.

5. In a device of the class described in combination, horizontaltransmission shafts, elevating elements on said shafts, a crusher bar, agripping device slidable on said crusher bar, said gripping deviceincluding means for automatically gripping said crusher bar andautomatically disengaging said crusher bar, and means for adjusting thegripping device with relation to the transmission shafts.

6. In a device of the class described in combination, horizontaltransmission shafts,

lifting elements on said shafts, a crusher bar, a gripping device, saidgripping device including means for automatically engaging the crusherbar at a' point predetermined with reference to the transmission shafts,and means for automatically releasing the crusher bar from the grippingdevice at a point predetermined with reference to the transmissionshafts.

7. In a device of the class described in combination, horizontaltransmission shafts, lifting elements thereon, a crusher bar, and agripping device; said gripping device including clamping plates adaptedto engage the crusher bar and lever arms adapted to engage the liftingelements, and means for adjusting the gripping device with reference tothe transmission shafts; the construction and arrangement of parts beingsuch that the clamping plates automatically engage the crusher bar whenthe lifting elements engage the lever arms, and the clamping platesautomatically disengage the crusher bar when the lifting elementsdisengage the lever arms.

This specification signed and witnessed this 22nd day of July A. D.1910.

ALEXANDER W. HASS-ELL. Witnesses:

RoB'r. B. ABBOTT, S. SAHNER.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. G.

